The Seiko YT57-0B30 is a watch model based on the YT57 movement.
Parts List
| BA0P14LN02 | crystal - crystal |
| 8K55B6SNS0 | crown - crown |
| FE298BA11 | case back gasket - case back gasket |
| 86583680 | crystal gasket - plastic gasket for crystal |
| 71Q2ZG | band - band |
| 71Q2ZG-LK2 | band - link |
| 71Q2ZG-BKB | clasp - buckle |
| 71Q2ZG-PB1 | clasp - parts for buckle |
| 3AA125F0ANS | others - second hand |
| 2AE095LABDS | others - minute hand |
| AD006BAD1 | others - crown and stem gasket |
| 0351651 | others - winding stem |
| YT570B3079 | others - case |
| 84318266 | others - dial ring |
| 84318267 | others - dial ring |
| 84318268 | others - dial ring |
| A180CS | others - push pin |
| YT570B04XL13 | others - dial |
| YT570B04XL23 | others - dial |
| YT570B04XN13 | others - dial |
| YT575 | others - machine code |
| YT570B3079A | others - case |
| YT570B3079B | others - case |
| 0866780 | others - holding ring for dial |
| 0878729 | others - date dial |
| 0878730 | others - date dial |
| 1AE065L0BDS | others - hour hand |